Charlie Chaplin

Challenger

Edna Purviance

Trainer's Daughter

Lloyd Bacon

Second Sparring Partner / Exerciser in Gym / Referee

Leo White

Crooked gambler

Carl Stockdale

Sparring Partner

Billy Armstrong

Sparring Partner

Bud Jamison

Bob Uppercut, Champion

Ben Turpin

Ringside vendor

Gilbert M. Anderson

Enthusiastic Fan (uncredited)